Daytona 500 fans

DOUG MURRAY, REUTERS

NASCAR fans hold up three fingers on the third lap in tribute to former race car driver number 3 Dale Earnhardt Sr., who died ten years ago in this race during the NASCAR Sprint Cup Series 53rd Annual Daytona 500 at the Daytona International Speedway in Daytona Beach, Florida, February 20, 2011.

NASCAR fans hold up three fingers on the third lap in tribute to former race car driver number 3 Dale Earnhardt Sr., who died ten years ago in this race during the NASCAR Sprint Cup Series 53rd Annual Daytona 500 at the Daytona International Speedway in Daytona Beach, Florida, February 20, 2011. (DOUG MURRAY, REUTERS)

NASCAR fans hold up three fingers on the third lap in tribute to former race car driver number 3 Dale Earnhardt Sr., who died ten years ago in this race during the NASCAR Sprint Cup Series 53rd Annual Daytona 500 at the Daytona International Speedway in Daytona Beach, Florida, February 20, 2011.